Dothideales » Dothideales, genus incertae sedis » Rhizosphaera

Rhizosphaera abietis

Rhizosphaera abietis L. Mangin & Har., Bull. Soc. mycol. Fr. 23(1): 56 (1907)

            Index Fungorum number: IF 9728; Facesoffungi number: FoF xxx, Fig. 1

Description: see Kobayashi (1967)

Material examined: see Kobayashi (1967)



Fig. 1. Rhizosphaera abietis (redrawn from Mangin and Hariot 1907). a Vertical section of pycnidia. b conidia and conidial germination. Scale bars: a, b = 50 µm


Importance and role

Importance of genus to ecosystem

Species of Rhizosphaera are pathogenic and is the causal agent of needle blight of spruce or Picea pungens though it has wide host range such as carious conifers and pines.


Industrial relevance and applications

There are currently no industrial applications of Rhizosphaera.


Quarantine significance

No biocontrol agent has been reported from Rhizosphaera.


Biochemical importance of the genus, chemical diversity or applications

The chemical diversity of Rhizosphaera is unknownFurther studies are needed.


Diversity of the genus

Rhizosphaera comprises eight species known on several hosts but one plant family namely Pinaceae. Rhizosphaera seems to be host specific. Rhizosphaera is reported from several countries such as Europe (Russia, Austria, France, Germany, Czechoslovakia, Norway, Britain, Ireland, Netherland), North America (United States, Canada), Asia (Japan). Many more species of Rhizosphaera can be discovered from extensive studies.



About Dothideomycetes

The website provides an up-to-date classification and account of all genera of the class Dothideomycetes.

Mushroom Research Foundation


Published by the Mushroom Research Foundation 
Copyright © The copyright belongs to the Mushroom Research Foundation. All Rights Reserved.